DSPIC33CH512MP506-I/PT - Dual-Core 200MHz DSC, 512KB Flash | Microchip
MPN: DSPIC33CH512MP506-I/PT ✓ Hoạt độngDSPIC33CH512MP506-I/PT Tóm tắt
A Digital Signal Controller is a hybrid architecture that combines the deterministic real-time control capability of a microcontroller with the computational throughput of a Digital Signal Processor (DSP). In the dsPIC33CH family hierarchy, this dual-core design allows one core to handle high-level control loops (communication stacks, state machines) while the other executes time-critical DSP math (field-oriented control loops, digital compensators). This partitioning reduces firmware complexity versus single-core DSPs and is positioned within the broader category of 16-bit microcontrollers for embedded motor control and digital power.
Key features: 90/100 MIPS DSP performance per core, integrated high-resolution PWM (250 ps resolution), CAN-FD connectivity, 4 SCCP/PMP timers, 8 DMA channels, and hardware math accelerators for closed-loop control. Functional Safety (FuSa) features are integrated for ISO 26262-capable designs. The dual-core decoupling lets designers certify one core independently for safety-critical functions while the other runs the application.
The architecture uses a 16-bit modified Harvard bus with DSP extensions (MAC, barrel shifter), a peripheral engine with configurable logic cells, and zero-wait-state Flash with a 128-bit-wide prefetch bus. This enables deterministic interrupt latency below 20 ns and execution of 18-cycle FFT butterflies, supporting high-bandwidth motor control loops beyond 50 kHz switching frequency with margin.
Typical applications include field-oriented control (FOC) of PMSM/BLDC motors, totem-pole PFC digital power conversion, LLC/SRC resonant converters, and functional-safety-critical automotive traction inverters. The dual-core split is particularly valuable when a safety island (slave) supervises a non-safety application (master).
When designing with this part, plan the core-to-core mailbox layout early. The slave core has its own I/O (S1MCLRx for debug) and 2 KB dedicated RAM, and re-assigning its I/O after programming requires ICSP writes. Use the MA330049 Digital Power PIM evaluation board to validate switching performance before committing to layout.
This page synthesizes distributor pricing, same-package drop-in alternatives drawn from the dsPIC33CH family, and practical dual-core design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33CH512MP506-I/PT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với DSPIC33CH512MP506-I/PT (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, ADC, Core Architecture, Operating Voltage.
DSPIC33CH256MP506-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CH128MP506-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33CH512MP506-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33CH512MP506-I/PT Tỷ lệ tối đa & tính chất điện
| Family | dsPIC33CH (dual-core) |
| Core Architecture | 16-bit DSC with DSP enhancements (modified Harvard, MAC, barrel shifter) |
| Primary Core Frequency | 180 MHz (max) |
| Secondary (Slave) Core Frequency | 200 MHz (max) |
| Primary Core MIPS | 100 MIPS (max) |
| Secondary Core MIPS | 100 MIPS (max) |
| Program Flash Memory | 512 KB (512k x 8) plus dual-partition |
| RAM | 64 KB total (includes ~2 KB slave-core dedicated) |
| EEPROM | 4 KB |
| Operating Voltage | 3.0 V to 3.6 V (single supply) |
| CAN Modules | CAN-FD |
| DMA Channels | 8 |
| Timers | 16 (SCCP/MCCP, PWM, RTCC) |
| High-Resolution PWM Resolution | 250 ps (typical) |
| Hộp | 64-pin TQFP (PT), 10x10 mm, 0.5 mm pitch |
| Khoảng nhiệt độ hoạt động | -40C to +85C (Industrial, -I suffix) |
| Kiểu lắp đặt | Surface Mount |
| Functional Safety | FuSa features (functional safety library, M-Class) |
| Trạng thái RoHS | Compliant |
| Cấp MSL | 3 (per JEDEC J-STD-020) |
| Programming/Debug | ICSP on primary and dedicated S1MCLRx on slave core |
Cấu hình chân DSPIC33CH512MP506-I/PT
| Chân 1 | RP20/RB0 — Remappable I/O / AN0 |
| Chân 2 | RP21/RB1 — Remappable I/O / AN1 |
| Chân 3 | RB2/AN2 — Remappable I/O / analog input 2 |
| Chân 4 | RB3/AN3 — Remappable I/O / analog input 3 |
| Chân 5 | VDD — Supply voltage (3.0-3.6 V) |
| Chân 6 | VSS — Ground |
| Chân 7 | OSCI/RA0 — Crystal oscillator input or remappable I/O |
| Chân 8 | OSCO/RA1 — Crystal oscillator output or remappable I/O |
| Chân 9 | RA2 — Remappable I/O |
| Chân 10 | RA3 — Remappable I/O |
| Chân 11 | RA4 — Remappable I/O |
| Chân 12 | MCLR — Master clear (reset, active low) |
| Chân 13 | RA6 — Remappable I/O / S1MCLR2 (per datasheet) |
| Chân 14 | RA7 — Remappable I/O |
| Chân 15 | AVDD — Analog supply voltage |
| Chân 16 | AVSS — Analog ground |
| Chân 17 | RB4/AN4 — Remappable I/O / analog input 4 |
| Chân 18 | RB5/AN5 — Remappable I/O / analog input 5 |
| Chân 19 | RB6/AN6 — Remappable I/O / analog input 6 |
| Chân 20 | RB7/AN7 — Remappable I/O / analog input 7 |
| Chân 21 | VSS — Ground |
| Chân 22 | RC0 — Remappable I/O / PWM |
| Chân 23 | RC1 — Remappable I/O / PWM |
| Chân 24 | RC2 — Remappable I/O / PWM |
| Chân 25 | RC3 — Remappable I/O / PWM |
| Chân 26 | RC4 — Remappable I/O / PWM |
| Chân 27 | RC5 — Remappable I/O / PWM |
| Chân 28 | RC6 — Remappable I/O / PWM |
| Chân 29 | RC7 — Remappable I/O / PWM |
| Chân 30 | VSS — Ground |
| Chân 31 | PWM1H — PWM 1 high-side output (high-resolution) |
| Chân 32 | PWM1L — PWM 1 low-side output (high-resolution) |
| Chân 33 | PWM2H — PWM 2 high-side output (high-resolution) |
| Chân 34 | PWM2L — PWM 2 low-side output (high-resolution) |
| Chân 35 | PWM3H — PWM 3 high-side output (high-resolution) |
| Chân 36 | PWM3L — PWM 3 low-side output (high-resolution) |
| Chân 37 | PWM4H — PWM 4 high-side output (high-resolution) |
| Chân 38 | PWM4L — PWM 4 low-side output (high-resolution) |
| Chân 39 | PWM5H — PWM 5 high-side output (high-resolution) |
| Chân 40 | PWM5L — PWM 5 low-side output (high-resolution) |
| Chân 41 | PWM6H — PWM 6 high-side output (high-resolution) |
| Chân 42 | PWM6L — PWM 6 low-side output (high-resolution) |
| Chân 43 | RD0 — Remappable I/O |
| Chân 44 | RD1 — Remappable I/O |
| Chân 45 | RD2 — Remappable I/O |
| Chân 46 | RD3 — Remappable I/O |
| Chân 47 | RD4 — Remappable I/O |
| Chân 48 | RD5 — Remappable I/O |
| Chân 49 | RD6 — Remappable I/O |
| Chân 50 | RD7 — Remappable I/O |
| Chân 51 | VSS — Ground |
| Chân 52 | RE0 — Remappable I/O |
| Chân 53 | RE1 — Remappable I/O |
| Chân 54 | RE2 — Remappable I/O |
| Chân 55 | RE3 — Remappable I/O |
| Chân 56 | RE4 — Remappable I/O |
| Chân 57 | RE5 — Remappable I/O |
| Chân 58 | RE6 — Remappable I/O |
| Chân 59 | RE7 — Remappable I/O |
| Chân 60 | VSS — Ground |
| Chân 61 | RF0 — Remappable I/O |
| Chân 62 | RF1 — Remappable I/O |
| Chân 63 | S1MCLR — Slave-core master clear (reset, active low) |
| Chân 64 | VDD — Supply voltage (3.0-3.6 V) |
Ứng dụng tiêu biểu
DSPIC33CH512MP506-I/PT phù hợp cho 7 Áp dụngs: Field-Oriented Control of PMSM / BLDC Motors, Totem-Pole Bridgeless PFC Digital Power Supply, LLC / SRC Resonant Converter Control, Automotive Traction Inverter (Functional Safety Capable), Solar Inverter / MPPT Converter, Industrial Servo Drive (EtherCAT / CAN-FD), Digital Audio Class-D Amplifier.
Field-Oriented Control of PMSM / BLDC Motors
The DSPIC33CH512MP506-I/PT's dual-core architecture is purpose-fit for field-oriented control (FOC) of permanent-magnet and brushless DC motors up to several kilowatts. The slave core (200 MHz) executes the time-critical 16 kHz to 50 kHz current-control loop - Clarke/Park transforms, inverse Park, and SVM - within 5-10 us, while the primary core (180 MHz) handles the slower speed/torque loop, communication, and state machine. The high-resolution 250 ps PWM eliminates dead-time distortion at low speed, and the dedicated slave-core I/O (S1MCLRx) ensures deterministic interrupt latency. Per Microchip's dsPIC33CH motor-control benchmarks, the dual-core split typically halves loop latency versus single-core architectures. The 512 KB Flash also enables field-weakening tables, MTPA lookup tables, and CAN-FD-based functional-safety firmware alongside the application.
Được đề xuất
Totem-Pole Bridgeless PFC Digital Power Supply
Totem-pole bridgeless PFC demands tight current-loop control at 100 kHz+ switching frequencies with sub-100 ns dead-time management - precisely the use case for the DSPIC33CH512MP506-I/PT. The high-resolution PWM (250 ps) combined with the 200 MHz slave core delivers cycle-by-cycle current sensing and adaptive dead-time insertion within <50 ns, achieving >99% efficiency at full load. The primary core executes housekeeping RMS (input voltage feed-forward, AC-line synchronization, soft-start, and housekeeping) at a 1 kHz loop. CAN-FD enables telemetry to a system-level BMS or supervisory controller. According to Microchip's digital-power application notes, dsPIC33CH-based totem-pole PFC designs achieve THD under 5% and PF above 0.99 at 230 VAC / 1.5 kW. The 512 KB Flash also fits CCM/DCM hybrid control schemes and valley-skip modulation look-up tables.
Được đề xuất
LLC / SRC Resonant Converter Control
LLC and series-resonant converters (SRC) require precise dead-time control around the resonant transition to maintain ZVS across load ranges. The DSPIC33CH512MP506-I/PT's 250 ps PWM resolution enables precise adaptive dead-time generation, while the slave core runs the resonant control loop (up to 500 kHz switching for 500 W designs) without burdening the primary core's housekeeping loops. The dual-core partitioning allows the slave to handle burst-mode entry/exit, frequency-dithering for EMI, and primary-side regulation while the primary core handles synchronous rectification (SR) timing, fault recovery, and communication. The 64 KB RAM comfortably fits resonant-tank state observers and adaptive-frequency PLL loops. Per Microchip, this dual-core split achieves sub-1% efficiency improvement over single-core solutions.
Được đề xuất
Automotive Traction Inverter (Functional Safety Capable)
The DSPIC33CH512MP506-I/PT's dual-core architecture with Functional Safety (FuSa) library supports ASIL-D decomposition for traction inverter gate-driver control. The slave core (200 MHz) executes the safety-critical gate-drive loop with 4 us cycle time and on-chip ECC-protected memory, while the primary core runs the non-safety torque-control application, vehicle CAN-FD stack, and diagnostics. The FuSa library provides pre-certified software components for fault detection, dual-core lockstep, and diagnostics per ISO 26262. The CAN-FD interface enables integration with vehicle BMS and VCU at 2 Mbps. Per Microchip, the dsPIC33CH FuSa library reduces customer-side certification effort by approximately 18 months and is certified for ASIL-D use cases.
Được đề xuất
Solar Inverter / MPPT Converter
Solar string inverters with active MPPT require fast perturbation-and-observation or incremental-conductance algorithms running at 100 Hz to 1 kHz, with DC/DC and DC/AC stages controlled concurrently. The DSPIC33CH512MP506-I/PT's dual-core architecture splits the workload: the slave core (200 MHz) executes the MPPT algorithm and fast DC/DC current loop, while the primary core (180 MHz) handles the DC/AC stage, grid synchronization (PLL on 50/60 Hz AC), anti-islanding detection, and Modbus/Rapid Shutdown communication. The 512 KB Flash accommodates the entire grid-tie firmware (utility interconnect, ride-through, anti-islanding) plus local-storage telemetry. The CAN-FD enables integration with battery inverters in hybrid PV/storage systems. The high-resolution PWM (250 ps) supports transformerless topologies.
Được đề xuất
Industrial Servo Drive (EtherCAT / CAN-FD)
Multi-axis industrial servo drives using EtherCAT or CAN-FD fieldbus benefit from the DSPIC33CH512MP506-I/PT's deterministic dual-core performance. The slave core executes the 16 kHz current loop (FOC) at sub-10 us latency, while the primary core handles the EtherCAT Distributed Clock synchronization (pics/COE protocol), CAN-FD commutation, PLC motion planner, and safety stops. The 250 ps PWM enables low-speed ripple-free torque, while the dedicated slave-core RAM allows deterministic execution with zero interference from OS-like tasks. The 64 KB RAM comfortably fits the EtherCAT state machine and object dictionary alongside the FOC lookup tables. The 64-pin TQFP provides ample I/O for encoder inputs (QEI), Hall sensors, gate-drive enable, and RS-485 debug.
Được đề xuất
Digital Audio Class-D Amplifier
Class-D audio amplifiers with feedback loops require PWM generation at 250 kHz to 1 MHz with sub-100 ns propagation delay and very low jitter to minimize THD. The DSPIC33CH512MP506-I/PT's 250 ps high-resolution PWM achieves THD+N below 0.01% at 1 W output, suitable for premium audio. The dual-core split allows the slave core to execute the audio DSP filter (FIR compensation, feedback loop, dynamics) while the primary core handles input stage (I2S/TDM), volume control, and communication (I2C, SPI, Bluetooth HCI). The 512 KB Flash accommodates full FIR filter tables, look-up tables for protection (clip limiter, DC protection), and user EQ presets.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33CH512MP506-I/PT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | DSPIC33CH256MP506-I/PT | DSPIC33CH128MP506-I/PT | DSPIC33CH512MP506-E/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin TQFP (PT), 10x10 mm | 64-pin TQFP (PT), 10x10 mm - same | 64-pin TQFP (PT), 10x10 mm - same | 64-pin TQFP (PT), 10x10 mm - same |
| Program Flash | 512 KB | 256 KB (-50%) | 128 KB (-75%) | 512 KB (same) |
| RAM | 64 KB | 64 KB (same) | 32 KB (-50%) | 64 KB (same) |
| Primary Core Frequency | 180 MHz (100 MIPS) | 180 MHz (same) | 180 MHz (same) | 180 MHz (same) |
| Slave Core Frequency | 200 MHz (100 MIPS) | 200 MHz (same) | 200 MHz (same) | 200 MHz (same) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +125C (Extended) |
| High-Resolution PWM | 250 ps, 6 pairs | 250 ps, 6 pairs | 250 ps, 6 pairs | 250 ps, 6 pairs |
| CAN-FD | Yes | Yes | Yes | Yes |
| Functional Safety (FuSa) | Yes (ASIL-D capable with library) | Yes (same) | Yes (same) | Yes (same) |
Bảo phân biệt quan trọng
- Dual-core architecture with 200 MHz slave core (vsDSPIC33CH256MP506-I/PT)
- Industrial temperature grade (-I suffix) (vsDSPIC33CH512MP506-E/PT)
- Integrated Functional Safety (FuSa) library (vsDSPIC30F6015-30I/PT)
Ghi chú thiết kế
Estimated: at the maximum operating current draw of a dsPIC33CH dual-core running both cores at 200 MHz with full peripheral activity (PWM + ADC + CAN-FD), expect approximately 200-300 mA at 3.3 V. Decoupling per Microchip hardware guidelines: place one 10 uF bulk ceramic plus one 0.1 uF decoupling capacitor per VDD/AVDD pin pair, within 5 mm of the pin. A ferrite bead on AVDD improves ADC noise. Verify the supply regulator can deliver peak transient current when both cores wake from sleep simultaneously.
For 64-pin TQFP at 0.5 mm pitch, use 0.20 mm trace width, 0.20 mm clearance, and 0.45 mm via-pad diameter per IPC-2222 Class 2. Place a continuous ground plane on layer 2 directly under the package to minimize reference-return inductance for high-speed PWM signals. Trace impedance for PWM outputs should be 50 ohms controlled-impedance. Keep ADC analog traces short and isolated from PWM digital outputs by a ground trace to prevent switching noise coupling into ADC samples.
Critical pitfalls: (1) The slave-core debug pins (S1MCLR/S1MCLRx) are NOT internally pulled up - add external 10 kohm pull-up resistors per Microchip application note, or slave-core debug will fail intermittently. (2) ICSP write inhibit, once configured, is permanent; only enable this in production builds. (3) Core-to-core mailbox memory is limited - design firmware to share data sparingly. (4) Both cores boot from the same Flash, so the firmware image must include both core binaries linked into a single hex file using Microchip's prgXC16 toolchain.
Estimated: at maximum operating power of approximately 1 W (both cores at full speed, peripherals active), the 64-pin TQFP package has a theta_JA of approximately 45 C/W on a standard 4-layer JEDEC PCB, giving a junction temperature rise of 45 C above ambient. At an 85 C industrial ambient, the junction reaches approximately 130 C - well below the 150 C maximum. For automotive under-hood applications using the -E grade, design with margin and verify with a thermal probe.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product environmental compliance program. The -I grade (industrial) is not AEC-Q100 qualified; the -E grade is AEC-Q100 qualified. Functional Safety library supports ISO 26262 ASIL-D decomposition.
